[WIP] ash/extensions: Add experimental extension support for window-management in ash.

chrome/browser/extensions/event_names.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/event_names.h"
 
 namespace extensions {
 
 namespace event_names {
 
@@ skipping 50 matching lines @@
 const char kBluetoothOnAvailabilityChanged[] =
     "experimental.bluetooth.onAvailabilityChanged";
 const char kBluetoothOnDeviceDiscovered[] =
     "experimental.bluetooth.onDeviceDiscovered";
 const char kBluetoothOnDiscoveringChanged[] =
     "experimental.bluetooth.onDiscoveringChanged";
 const char kBluetoothOnPowerChanged[] =
     "experimental.bluetooth.onPowerChanged";
 #endif
 
+#if defined(USE_ASH)
+const char kAshWmOnWindowCreated[] = "experimental.wm.onWindowCreated";
+const char kAshWmOnWindowClosed[] = "experimental.wm.onWindowClosed";
+const char kAshWmOnWindowHidden[] = "experimental.wm.onWindowHidden";
+const char kAshWmOnWindowShown[] = "experimental.wm.onWindowShown";
+const char kAshWmOnActiveWindowChanged[] =
+    "experimental.wm.onActiveWindowChanged";
+#endif
+
 const char kOnPushMessage[] = "experimental.pushMessaging.onMessage";
 
 }  // namespace event_names
 
 }  // namespace extensions